Preview: Marlins at Phillies, Friday, 7:05 p.m.

On the air

TV: Fox Sports Florida; Radio: 610-AM, 710-AM (Spanish)

On the mound

LHP Wei-Yin Chen(6-10, 4.72 ERA, 1.32 WHIP) vs. Phillies RHP Zach Eflin (9-7, 4.42, 1.29): Chen is making his 24th start of the season. … The lefty has won four of his past eight starts. … Since July 8, Chen has allowed 34 hits over 52 1/3 innings — tied for fourth-lowest among MLB starters. … Chen is holding opponents to a.207 batting average during that span. ...Eflin has a 3.81 home ERA in 10 starts at Citizens Bank Park. … In two September starts, Eflin is 0-2 with a 10.13 ERA, falling to the Rockies and Mets, respectively. … Against the Marlins on Aug 4., Eflin pitched eight innings, allowing three earned runs on four hits, while striking out six.

Upcoming series

Miami Marlins manager Don Mattingly talks about what he expects from his team as spring training begins.

Miami Marlins manager Don Mattingly talks about what he expects from his team as spring training begins.

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Miami Marlins manager Don Mattingly talks about what he expects from his team as spring training begins.

Miami Marlins manager Don Mattingly talks about what he expects from his team as spring training begins.

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Miami Marlins catcher Jorge Alfaro felt good after his first day of spring training on Wednesday.

Miami Marlins catcher Jorge Alfaro felt good after his first day of spring training on Wednesday.

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Miami Marlins pitcher Pablo López talks about the importance of outworking his competition after the first day of spring training on Wednesday.

Miami Marlins pitcher Pablo López talks about the importance of outworking his competition after the first day of spring training on Wednesday.

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Miami Marlins pitchers Jordan Holloway and Braxton Garrett have both been sidelined after undergoing Tommy John surgery in 2017, but the two have strengthened their bond as teammates during the recovery process.

Miami Marlins pitchers Jordan Holloway and Braxton Garrett have both been sidelined after undergoing Tommy John surgery in 2017, but the two have strengthened their bond as teammates during the recovery process.

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A new initiative under CEO Derek Jeter led by Emily Glass, the Marlins education program is helping minor-league players learn English and develop life skills necessary to succeed in the majors, while also teaching Spanish to English speaking players.

A new initiative under CEO Derek Jeter led by Emily Glass, the Marlins education program is helping minor-league players learn English and develop life skills necessary to succeed in the majors, while also teaching Spanish to English speaking players.